Which from endocrine glands is responsible for a regulation of sleep?

hypothalamus
adrenal glands
thymus
pineal gland
The pineal gland is a small en­docrine gland in the ver­te­brate brain. It produces mela­ton­in, a sero­tonin derived hormone, which affects the mod­u­la­tion of sleep pat­tern­s. Mela­tonin is sold over-the-­counter as a sleep aid in the U.S. and Canada.

Answers distribution

hypothalamus
adrenal glands
thymus
pineal gland
answers
flagSpain
27%
0%
0%
72%
11
flagRepublic of Ireland
29%
2%
2%
65%
41
flagthe Netherlands
26%
0%
7%
65%
26
flagGermany
16%
7%
8%
64%
117
flagFrance
20%
16%
0%
63%
30
flagSweden
18%
9%
9%
63%
11
flagPoland
22%
7%
7%
61%
8508
flagNorway
25%
0%
18%
56%
16
flagthe United Kingdom
26%
9%
10%
53%
202
flagCanada
31%
9%
6%
53%
32
flagIndia
26%
15%
7%
50%
138
flagUU
36%
4%
10%
48%
50
flagthe Philippines
29%
12%
12%
45%
24
flagPakistan
38%
16%
0%
44%
18
flagthe United Arab Emirates
41%
8%
0%
41%
12
flagthe United States
30%
11%
15%
39%
378
flagMalaysia
30%
23%
7%
30%
13
flagAustralia
30%
10%
30%
30%
10

Gender

men49%
women54%
hypothalamus
28%
26%
adrenal glands
10%
9%
thymus
11%
10%
pineal gland
49%
54%

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Which from endocrine glands is responsible for a regulation of sleep?
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Details

Author: Paweł Kołodziejczyk
Illustration: Tambako The Jaguar
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